The Mosaic GT-1 45 is designed around 45mm tires, meaning you’ll likely find yourself riding routes you never thought possible on a “road bike”, and trust us, that’s where the most fun is to be had! Custom geometry is drawn up based on bike fit information provided by you and your Mosaic dealer, making every GT-1 unique and purpose built for the intended rider.

Internally butted tubes deliver a lightweight and exceptionally strong frameset that can be tuned and built to address your specific needs. Larger diameter internally butted tubes are both lightweight and incredibly strong, characteristics that define what a gravel bike should be. Some smaller, perhaps less visible details included on the GT-1 include internal Di2 routing, and tube-in-tube internal brake routing that sits completely flush at it's entry and exit point, eliminating any cable rattle.

Tubeset || Custom T3A/2.5V Double Butted Titanium Tubeset

Geometry || Custom (Mosaic stock sizes also available)

Tire Clearance || 700x45mm / 650b option

Fork || ENVE Allroad Fork

Headset || Chris King Inset 8

Brake Mount || Flat Mount Disc

Brake Routing || Internal

Shift Routing || Choice of External Mechanical, Internal Di2, eTap.

Axle Spacing || 12x100 Front // 12x142 Rear

Bottom Bracket || Threaded English 68mm

Seatpost Diameter || 27.2 (30.9, 31.6, & ISM Optional)

Front Derailleur Mount || Clamp or braze on

Water Bottle Mounts || Two - Down tube and seat tube

Finish || Mosaic Raw Finishes or Mosaic Paint Layout

Bikes

GT-1 45 (Custom Frame)

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